Dr. Wilbur Orville (W.O.) Tan, (baritone-bass), Le Chevalier Des Grieux (tenor), Alfredo Germont (tenor), Rodolfo (tenor), Prince Yeletsky (baritone), Dr. Bartolo (baritone), Donna Anna (soprano), Micaëla (mezzo), Princess Eboli (mezzo), Santuzza (soprano), Olga (contralto), Dr. Marschallin (soprano), Father Owen Lee (non-singing role)
Orchestra:
3 Flutes/Piccolo, 2 Oboes, 2 Clarinets in B flat , Bass Clarinet, 2 Bassoons, 4 Horns in F, 2 Trumpets in B flat , 2 Tenor Trombones, Bass Trombone, Tuba, Timpani, Percussion, Harp, Strings